<template>
  <div>
    <div v-if="checkExternal" :style="styleExternalIcon" class="svg-external-icon svg-icon" v-on="$listeners" />
    <svg v-else :class="svgClass" aria-hidden="true" v-on="$listeners">
      <use :xlink:href="iconName" />
    </svg>
  </div>
</template>

<script lang="ts" setup>
// doc: https://panjiachen.github.io/vue-element-admin-site/feature/component/svg-icon.html#usage
import { isExternal } from '@/utils/validate.ts'
import { computed } from 'vue';

let props = defineProps({
  iconClass: String,
  className: String
})
const checkExternal = computed(() => {
  console.log('icon', props.iconClass, isExternal(props.iconClass))
  return isExternal(props.iconClass)
})
const iconName = computed(() => {
  return `#icon-${props.iconClass}`
})
const svgClass = computed(() => {
  if (props.className) {
    return 'svg-icon ' + props.className
  } else {
    return 'svg-icon'
  }
})
const styleExternalIcon = computed(() => {
  return {
    mask: `url(${props.iconClass}) no-repeat 50% 50%`,
    '-webkit-mask': `url(${props.iconClass}) no-repeat 50% 50%`
  }
})
</script>

<style scoped>
.svg-icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
}

.svg-external-icon {
  background-color: currentColor;
  mask-size: cover !important;
  display: inline-block;
}
</style>
